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CMMG Mk4 T Upper Group 300 AAC Blackout 16" 30B129A

CMMG Mk4 T Upper Receiver Group 300 AAC Blackout 16" 30B129A

CMMG

  • $625.95
  • Save $74


CMMG is a leading manufacturer of AR-15 and AR-15 related accessories. CMMG's commitment to quality and creating product at the best value at the best price is unmatched. This complete upper receiver is designed to connect seamlessly with your existing AR-15 or AR-15 pattern lower receiver. For your convenience, a bolt carrier group is included and everything on this complete unit features a matte black finish.

Features and Specifications:
  • Manufacturer Number: 30B129A 
  • .300 AAC Blackout
  • 16" 4140 Chrome-Moly steel medium taper profile
  • Threaded 5/8x24
  • RKM11 KeyMod hand guard
  • Forged 7075-T6 Aluminum M4 Type Upper
  • CMMG A2 Compensator
  • Bolt carrier group
  • Charging Handle
  • Salt Bath Nitride Coating
  • Matte black

Manufacturer Part #: 30B129A


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